/*
- * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2017-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* https://www.openssl.org/source/license.html
*/
-#ifndef S390X_ARCH_H
-# define S390X_ARCH_H
+#ifndef OSSL_CRYPTO_S390X_ARCH_H
+# define OSSL_CRYPTO_S390X_ARCH_H
# ifndef __ASSEMBLER__
int s390x_kdsa(unsigned int fc, void *param, const unsigned char *in,
size_t len);
+void s390x_flip_endian32(unsigned char dst[32], const unsigned char src[32]);
+void s390x_flip_endian64(unsigned char dst[64], const unsigned char src[64]);
+
+int s390x_x25519_mul(unsigned char u_dst[32],
+ const unsigned char u_src[32],
+ const unsigned char d_src[32]);
+int s390x_x448_mul(unsigned char u_dst[56],
+ const unsigned char u_src[56],
+ const unsigned char d_src[56]);
+int s390x_ed25519_mul(unsigned char x_dst[32],
+ unsigned char y_dst[32],
+ const unsigned char x_src[32],
+ const unsigned char y_src[32],
+ const unsigned char d_src[32]);
+int s390x_ed448_mul(unsigned char x_dst[57],
+ unsigned char y_dst[57],
+ const unsigned char x_src[57],
+ const unsigned char y_src[57],
+ const unsigned char d_src[57]);
+
/*
* The field elements of OPENSSL_s390xcap_P are the 64-bit words returned by
* the STFLE instruction followed by the 64-bit word pairs returned by
# define S390X_SCALAR_MULTIPLY_P256 64
# define S390X_SCALAR_MULTIPLY_P384 65
# define S390X_SCALAR_MULTIPLY_P521 66
+# define S390X_SCALAR_MULTIPLY_ED25519 72
+# define S390X_SCALAR_MULTIPLY_ED448 73
+# define S390X_SCALAR_MULTIPLY_X25519 80
+# define S390X_SCALAR_MULTIPLY_X448 81
/* kdsa */
# define S390X_ECDSA_VERIFY_P256 1
# define S390X_ECDSA_SIGN_P256 9
# define S390X_ECDSA_SIGN_P384 10
# define S390X_ECDSA_SIGN_P521 11
+# define S390X_EDDSA_VERIFY_ED25519 32
+# define S390X_EDDSA_VERIFY_ED448 36
+# define S390X_EDDSA_SIGN_ED25519 40
+# define S390X_EDDSA_SIGN_ED448 44
/* Register 0 Flags */
# define S390X_DECRYPT 0x80